Do you want to compare Hollow with Madame Xanadu? Discover the powers, weakness & weapons of Hollow and Madame Xanadu from Hollow Biography and Madame Xanadu Biography. Find out all about Hollow and Madame Xanadu.# Check out how is Hollow unique and distinct from Madame Xanadu. Discover their love interest, sidekicks, family tree and the movies and games list in which Hollow and Madame Xanadu have appeared. Find out everything about them here!